Classification
770 - Photography, photographs & computer art
21
006 - Special computer methods
19
004 - Data processing & computer science
11
000 - Computer science, information & general works
9
500 - Natural sciences & mathematics
6
005 - Computer programming, programs & data
5
778 - Fields & kinds of photography
4
620 - Engineering & allied operations
3
771 - Techniques, equipment & materials
3
777 - [Unassigned]
3
791 - Public performances
3
621 - Applied physics
2
775 - Digital photography
2
025 - Library operations
1
267 - Associations for religious work
1
302 - Social interaction
1
331 - Labor economics
1